Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 27 for “"compression loading"”.
-
Effects of Bio-Composites in Corrugated Sandwich Panels Under Edgewise Compression Loading
… with integrated bio-composites under edgewise compression loading. To do this, optimum corrugation geometry was identified using theoretical analysis of the moment and bonding area of the shape. Control tests with carbon fiber and hemp were conducted. The bio-composite was integrated in both …
-
Dynamic response of glass under low-velocity impact and high strain-rate compression loading
… total energy absorption. High strain-rate SHPB compression tests were carried out on cylindrical glass samples at two different strain-rates. Borosilicate shohigher compressive strength and energy absorption in comparison to the other glass types. The results indicated high dependency of …
-
Characterization of damage mechanisms and behavior in two-dimensionally braided composites subjected to static and fatigue loading
… matrix were tested under static and fatigue loading conditions to determine damage mechanism types and progressions. The braided architectures consisted of straight axial fiber bundles, which were surrounded by braider fiber bundles oriented at ±a 0 with respect to the axial fiber bundles. …
-
Mechanical Properties of Hybrid Softwood and Hardwood Cross-Laminated Timbers
… also to evaluate their resistance to shear by compression loading and delamination according to ANSI A190.1 and AITC T110 standards, respectively. The bending strength and bending stiffness, except for some individual groups, as well as the shear strength and shear stiffness values exceeded the …
-
Redesign of the standard bicycle seat to prevent male impotence
… and nerves feeding the penis, through repeated compression loading. Though harmless in low cycles of loading, the result for many high-mileage, male riders is sexual dysfunction. Recumbent bicycle seats prevent damage to the perineum by shifting the compressive loads to other parts of the …
-
Effects of layer waviness on compression-loaded thermoplastic composite laminates
The effects of layer waviness on the compression response of T3001P1700 carbon/polysulfone composite laminates were investigated both experimentally and analytically. A three-step procedure was used to fabricate isolated layer waves into the central 0° layer of …
-
Influence of rearrangement of actin cytoskeleton on the overall material properties of ATDC5 cells during chondrogenesis
… apparatus that would be required to carry out compression loading experiments of gel-cell constructs that can distinguish between pre-chondrocytes and chondrocytes.;ATDC5 cells were cultured in 3D for 12 days and fluorescent images of the actin cytoskeletal structure of the cells were obtained. …
-
Failure strength and mechanism of composite laminates under multiaxial loading conditions
… both fill and warp directions. Biaxial tension-compression (BTC) and biaxial compression-compression (BCC) flat coupon specimens with flexible end reinforcements were designed and tested to study failure behaviors and mechanisms of composite laminates under a biaxial tension-compression and …
-
Piezoresistive UHMWPE WMCNT Sensors for Instrumented Total Knee Replacements
… the applied stress. A steel mold and a two-stage compression molding process were developed to instrument and hermetically seal the embedded sensors within the tibial insert. As the sensors were made from the same material as the UHMWPE tibial insert, the impact of the sensor instrumentation on …
-
A constitutive model for the compression behavior of Old Alluvium
… masked by the aggregation of iron oxides. Compression loading breaks the cementation at the meso-scale and causes physico-chemical changes at the micro-scale, which reveal the expansive characteristics of the clay minerals. It is difficult to achieve a fully disaggregated condition (through …
-
Evaluations of concrete overlays for bridge deck applications
… of overlay-substrate interface behavior, a new compression loading block shear apparatus was developed, and for each type of overlay, double wedge-type bi-layer specimens of overlay-substrate were tested for two different substrate surface preparation conditions: Mechanical abrasion and chemical …
-
Crack coalescence in molded gypsum and Carrara marble
… or two preexisting open flaws, under uniaxial compression. In previous experimental studies, the determination of crack types (shear/tensile) was mainly based on the identification of fractographical features on the crack surfaces. In the present study, a high speed video system was used, which …
-
Hierarchical Assembly Strategy and Multiscale Structural Origin of Exceptional Mechanical Performance In Nacre
… mechanical response of nacre under unixial compression. Our results show that the high strain rate sensitivity reaching ~0.1 can be directly related to the localized plastic activation volume. Nacre's hierarchical energy-dissipation mechanism under dynamic compression loading comes from a …
-
Compression Failure of Aluminum Plates Exposed to Constant Heat Flux
… to quantify the effects of parameters on the compression failure of aluminum plates during a fire. A thermo-structural apparatus was designed to perform compression tests on aluminum samples consisting of a compression load frame, a hydraulic system, and electric heaters. The effect of …
-
Structural behaviour of circular concrete filled steel tube column fill with selfcompacting concrete incorporating coal bottom ash as fine aggregate replacement
… specimens were tested to fail under the axial compression loading. From the experimental results, it can be concluded that the utilisation of SCC with CBA in the CFST column able to improve the behaviour of CFST column. From compression testing results, the strength of CFST column filled with …
-
Dynamic Properties of Chondrocytes
… cartilage, experience continuous mechanical loading in vivo and adapt their volume and shape accordingly, a process that is essential for maintaining cartilage health and function. Volume and shape changes in chondrocytes are key to cellular mechanotransduction, the mechanism by which cells …
-
Compression Creep Rupture of an E-glass/Vinyl Ester Composite Subjected to Combined Mechanical and Fire Loading Conditions
… of these glass/vinyl esters systems under fire loading conditions is relevant to the continuing and future application of polymer matrix composites aboard naval ships. The main goal of the effort presented here is to develop analytical models and finite element analysis methods and tools to …
-
Analysis and optimal design of pressurized, imperfect, anisotropic ring-stiffened cylinders
… ring-stiffened cylinders subjected to axial compression, torsion, and internal pressure is presented. The structure is modeled as a branched shell. A nonlinear axisymmetric prebuckling equilibrium state is assumed which is amenable to exact solution within each branch. Buckling displacements …
-
An Investigation of the Mechanical Properties of Aircraft Engine Fan Casing Abradable Materials at Different Temperatures and Strain Rates
… quasi-static (tension, uniaxial and confined compression), elevated temperatures (tension and compression), and high strain-rate (tension and compression) conditions. Despite compositional differences, both studied materials exhibited unequal resistance to tensile and compressive loading …
Page 1 of 2